
Writing this had me in a bind since I found this in one of the old how-to notecards we have lying around at home. After a bit of Googling, I found similar formulations but from different authors have not cited where this came from (either this is an old household remedy or the real source hasn’t been cited).
More MacGyver household remedies again with this homemade roach bait formula.
Ingredients
1/4 cup lard or shortening
1/8 sugar
8 ounces powdered boric acid
1/2 cup flour
1/2 chopped onion
Water to form a soft dough
Preparation
Now you can place these where Mr. Cockroach and his gang usually lurk (cupboards, under the sinks, under the fridge and dishwasher…) Just keep them away from pets and small children. Boric acid is poison! It’s the real active ingredient in this mix.
Sources(?): Heloise, Mike Holigan
4 Responses
Nicki
September 27th, 2007 at 9:51 am
1I have indoor cats. Is this harmful to them if they play and eat the coakroach after it has ingested boric acid?
LaMonte
October 4th, 2007 at 1:36 pm
2Hello Nicki. Boriac Acid is HARMFUL to anything that eats it. On the bottle it states that it shouldn’t be eaten. It IS a poison, so if you want your cats to live, I wouldn’t place this stuff on the floor. I would place this in the cupboards and places where your cats can’t get to. The issue here is that the roaches will eat this mixture…it’s the lard, sugar, flour and onion that attracts them. Once eaten, the roach will go back to its nest where it will die. Or it may die BEFORE it gets to the nest. In either case, roaches are cannibals and once eaten, that one will die and so on and so on. It will soon be liked to Typhoid Mary…as the roach dies, another will eat it and soon, that onw will die and so on until you have a nest full of poisonous carcasses, turning the nest itself into a death trap. I’m going to try this concoction and see if it works. Good luck to you.
Jay
August 7th, 2008 at 11:18 am
3Hey LaMonte, for you information Boric Acid is a desiccant, and kills by dehydration. It is not a poison as poison is most commonly known. Boric acid has been around for roach control for over 60yrs and is a common product in eye wash, make up,etc. That being said I do not recommend eating it but it is one of the safest products you can use for the control of roaches.
Marcie
October 14th, 2008 at 3:05 pm
4I have cats also, so the best thing is to take empty soda bottles and mix a dry mix of 1 cup each: flour, sugar (granulated or powdered) and boric acid. You just leave the cap on the bottle, poke a hole in the top of the bottle big enough for the creepy bugs to get into, and put it where roaches can get but your cats can not. This is so they wont play with the bottle and spill your mix more than anything. It’s not really going to hurt your cat to get a little on it, but it shouldn’t eat a bunch of it of course.
If fact you can mix 20 percent boric acid with 80 percent whiting and sprinkle it into carpets, and vacuum a week later to get rid of fleas, eggs and all.
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